à) the subject:
1. Òî train highly qualified scientific workersis extremely important for the development of science.
2. To study this phenomenonrequires much knowledge.
b) the part of the predicate :
1. Our task is to obtain a new mixture with new properties.
2. The engineer must knowthe conditions under which the new material is to be utilized.
3. The new apparatus was to control all the temperature changes during the experiment.
c) the object:
1. They hope to be sent to the conference.
2. The engineer was asked to design a transistor devicewhich will regulate the temperature in the laboratory.
d) the adverbial modifier:
1. We must build as many power stations as possible to meet all power needs in industry and agriculture.
2. To increase the productivity of the machine toolone should know the characteristics of the material which is being machined.
3. In order to break this glassa great amount of force must be applied.
4. This problem is too complex to be solved by students.
5. This method is accurate enough to give reliable results.
e) the attribute:
1. The process to be analysed in this articleis known as ionization.
2. Our plant produces automatic and semiautomatic machine tools to be installed in new large shops.
3. The famous Russian scientist Lebedev was the first to solve the problem of synthetic rubber.
4. The laboratory assistant will be the last to leave the classroom.
5. The problem to find a more economical way of productionis to be solved soon.